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Tiu, Z.C. and Ahmad, F. and Tan, S.J. and Ahmad, Harith and Harun, Sulaiman Wadi (2015) Multi-wavelength Q-switched Erbium-doped fiber laser with photonic crystal fiber and graphene – Polyethylene oxide saturable absorber. Optik, 126 (17). pp. 1495-1498. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2015.04.036.
Tiu, Zian Cheak and Suthaskumar, M. and Zarei, A. and Tan, S.J. and Ahmad, Harith and Harun, Sulaiman Wadi (2015) Generation of switchable domain wall and Cubic–Quintic nonlinear Schrödinger equation dark pulse. Optics & Laser Technology, 73. pp. 127-129. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2015.04.010.
Tiu, Zian Cheak and Zarei, A. and Tan, S.J. and Ahmad, Harith and Harun, Sulaiman Wadi (2015) Harmonic Dark Pulse Emission in Erbium-Doped Fiber Laser. Chinese Physics Letters, 32 (3). 034203. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/32/3/034203.
Tiu, Z.C. and Tan, S.J. and Ahmad, Harith and Harun, Sulaiman Wadi (2014) Dark pulse emission in nonlinear polarization rotation-based multiwavelength mode-locked erbium-doped fiber laser. Chinese Optics Letters, 12 (11). p. 113202. ISSN 1671-7694,
Tan, S.J. and Harun, Sulaiman Wadi and Ali, N.M. and Ismail, M.A. and Ahmad, Harith (2013) A Multi-Wavelength Brillouin Erbium Fiber Laser With Double Brillouin Frequency Spacing and Q-Switching Characteristics. IEEE Journal of Quantum Electronics, 49 (7). pp. 595-598. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2013.2257692.
Tan, S.J. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) Controllable stretched pulse and dissipative soliton emission using non-linear polarisation rotation and cavity loss tuning mechanism. IET Optoelectronics, 7 (2). pp. 38-41. ISSN 1751-8768, DOI https://doi.org/10.1049/iet-opt.2012.0078 .
Tan, S.J. and Jusoh, Z. and Ali, N.M. and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2013) Investigation of Q-Switching Characteristics in Single- and Double-Spacing Multi-Wavelength Brillouin Erbium Fiber Laser. IEEE Photonics Journal, 5 (4). ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2013.2269675.
Tan, S.J. and Harun, Sulaiman Wadi and Ahmad, F. and Nor, Roslan Md and Zulkepely, N.R. and Ahmad, Harith (2013) A Q-switched multi-wavelength Brillouin erbium fiber laser with a single-walled carbon nanotube saturable absorber. Laser Physics, 23 (5). 055101. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/23/5/055101.
Tan, S.J. and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2013) Switchable Q-switched and mode-locked erbium-doped fiber laser operating in the L-band region. Chinese Optics Letters, 11 (7). 073201. ISSN 1671-7694,
Kam, T.S. and Ziegler, R.E. and Tan, S.J. and Porco Jr., J.A. (2012) Development of an alkaloid–pyrone annulation: synthesis of pleiomaltinine. Angewandte Chemie International Edition, 51. pp. 9348-9351. ISSN 1433-7851, DOI https://doi.org/10.1002/anie.201204093.
Tan, S.J. and Harun, Sulaiman Wadi and Shahabuddin, N.S. and Arof, Hamzah and Ahmad, Harith (2012) Dual-cavity dual-output multi-wavelength fiber laser based on nonlinear polarization rotation effect. Laser Physics, 22 (10). pp. 1601-1605. ISSN 1054-660X,
Tan, S.J. and Ismail, M.A. and Shahabuddin, N.S. and Ahmad, Harith and Arof, Hamzah and Harun, Sulaiman Wadi (2012) Effect of doped fiber length on the stretch pulses of a mode-locked erbium-doped fiber laser. Laser Physics, 22 (7). pp. 1240-1243. ISSN 1054-660X,
Kam, Toh Seok and Tan, S.J. and Lim, K.H. and Subramaniam, G. (2012) Macroline–sarpagine and macroline–pleiocarpamine bisindole alkaloids from Alstonia angustifolia. Phytochemistry, 85. pp. 194-202. ISSN 0031-9422,
Ismail, M.A. and Tan, S.J. and Shahabuddin, N.S. and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2012) Performance comparison of mode-locked erbium-doped fiber laser with nonlinear polarization rotation and saturable absorber approaches. Chinese Physics Letters, 29 (5). ISSN 0256-307X,
Kam, Toh Seok and Tan, S.J. and Choo, Y.M. and Thomas, N.F. and Robinson, W.T. and Komiyama, K. (2012) Unusual indole alkaloid—epyrrole, —epyrone, and —carbamic acid adducts from Alstonia angustifolia. Tetrahedron, 66. pp. 7799-7806. ISSN 0040-4020, DOI https://doi.org/10.1016/j.tet.2010.07.079.
Kam, T.S. and Ku, W.F. and Tan, S.J. and Low, Y.Y. and Komiyama, K. (2011) Angustilobine and andranginine type indole alkaloids and an uleine–secovallesamine bisindole alkaloid from Alstonia angustiloba. Phytochemistry, 72. pp. 2212-2218. ISSN 0031-9422, DOI https://doi.org/10.1016/j.phytochem.2011.08.001.
Kam, T.S. and Lim, S.H. and Tan, S.J. and Low, Y.Y. (2011) Lumutinines A−D, linearly fused macroline−macroline and macroline−sarpagine bisindoles from alstonia macrophylla. Journal of Natural Products, 74. pp. 2556-2562. ISSN 0163-3864, DOI https://doi.org/10.1021/np200730j.
Kam, T.S. and Tan, S.J. and Robinson, W.T. and Komiyama, K. (2011) Macrodasines A—G, macroline indole alkaloids incorporating fused spirocyclic tetrahydrofuran—tetrahydrofuran and tetrahydrofuran—tetrahydropyran rings. Tetrahedron, 67. pp. 3830-3838. ISSN 0040-4020, DOI https://doi.org/10.1016/j.tet.2011.03.099.
Kam, T.S. and Tan, S.J. and Low, Y.Y. and Choo, Y.M. and Abdullah, Z. and Etoh, T. and Hayashi, M. and Komiyama, K. (2010) Strychnan and secoangustilobine A type alkaloids from alstonia spatulata. Revision of the C-20 configuration of scholaricine. Journal of Natural Products, 73. pp. 1891-1897. ISSN 0163-3864,
